Automatic Transmission problems of the 2010 Ford Expedition

The contact owns a 2010 Ford Expedition. When the vehicle stopped on an incline, the gear shift was in reverse; however, it responded as if it were in park. The vehicle crashed into a bank of rocks. There were front end damages to the bumper. There were no injuries mentioned. The dealer was contacted and stated that was the way the vehicle was designed. The failure was not diagnosed or repaired. The failure mileage was 2100 and the current mileage was 2150. Updated 08/27/10. When the vehicle was turned off, it went into free wheel and started to roll down the incline and subsequently crashed causing damage. The vehicle was on an incline and thought to be in park, but was really in reverse. Updated 08/31/jb.